Annotation of src/usr.bin/tmux/tty-term.c, Revision 1.92
1.92 ! nicm 1: /* $OpenBSD: tty-term.c,v 1.91 2021/08/25 07:37:20 nicm Exp $ */
1.1 nicm 2:
3: /*
1.44 nicm 4: * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20:
1.3 nicm 21: #include <curses.h>
1.5 nicm 22: #include <fnmatch.h>
23: #include <stdlib.h>
1.1 nicm 24: #include <string.h>
25: #include <term.h>
1.5 nicm 26: #include <vis.h>
1.1 nicm 27:
28: #include "tmux.h"
29:
1.46 nicm 30: static char *tty_term_strip(const char *);
1.1 nicm 31:
1.20 nicm 32: struct tty_terms tty_terms = LIST_HEAD_INITIALIZER(tty_terms);
1.1 nicm 33:
1.38 nicm 34: enum tty_code_type {
35: TTYCODE_NONE = 0,
36: TTYCODE_STRING,
37: TTYCODE_NUMBER,
38: TTYCODE_FLAG,
1.1 nicm 39: };
40:
1.38 nicm 41: struct tty_code {
42: enum tty_code_type type;
43: union {
44: char *string;
45: int number;
46: int flag;
47: } value;
48: };
49:
50: struct tty_term_code_entry {
51: enum tty_code_type type;
52: const char *name;
53: };
54:
1.46 nicm 55: static const struct tty_term_code_entry tty_term_codes[] = {
1.38 nicm 56: [TTYC_ACSC] = { TTYCODE_STRING, "acsc" },
1.82 nicm 57: [TTYC_AM] = { TTYCODE_FLAG, "am" },
1.38 nicm 58: [TTYC_AX] = { TTYCODE_FLAG, "AX" },
59: [TTYC_BCE] = { TTYCODE_FLAG, "bce" },
60: [TTYC_BEL] = { TTYCODE_STRING, "bel" },
1.86 nicm 61: [TTYC_BIDI] = { TTYCODE_STRING, "Bidi" },
1.38 nicm 62: [TTYC_BLINK] = { TTYCODE_STRING, "blink" },
63: [TTYC_BOLD] = { TTYCODE_STRING, "bold" },
64: [TTYC_CIVIS] = { TTYCODE_STRING, "civis" },
65: [TTYC_CLEAR] = { TTYCODE_STRING, "clear" },
1.77 nicm 66: [TTYC_CLMG] = { TTYCODE_STRING, "Clmg" },
67: [TTYC_CMG] = { TTYCODE_STRING, "Cmg" },
1.38 nicm 68: [TTYC_CNORM] = { TTYCODE_STRING, "cnorm" },
69: [TTYC_COLORS] = { TTYCODE_NUMBER, "colors" },
70: [TTYC_CR] = { TTYCODE_STRING, "Cr" },
1.57 nicm 71: [TTYC_CSR] = { TTYCODE_STRING, "csr" },
1.38 nicm 72: [TTYC_CS] = { TTYCODE_STRING, "Cs" },
1.57 nicm 73: [TTYC_CUB1] = { TTYCODE_STRING, "cub1" },
1.38 nicm 74: [TTYC_CUB] = { TTYCODE_STRING, "cub" },
1.57 nicm 75: [TTYC_CUD1] = { TTYCODE_STRING, "cud1" },
1.38 nicm 76: [TTYC_CUD] = { TTYCODE_STRING, "cud" },
1.57 nicm 77: [TTYC_CUF1] = { TTYCODE_STRING, "cuf1" },
1.38 nicm 78: [TTYC_CUF] = { TTYCODE_STRING, "cuf" },
79: [TTYC_CUP] = { TTYCODE_STRING, "cup" },
1.57 nicm 80: [TTYC_CUU1] = { TTYCODE_STRING, "cuu1" },
1.38 nicm 81: [TTYC_CUU] = { TTYCODE_STRING, "cuu" },
82: [TTYC_CVVIS] = { TTYCODE_STRING, "cvvis" },
1.57 nicm 83: [TTYC_DCH1] = { TTYCODE_STRING, "dch1" },
1.38 nicm 84: [TTYC_DCH] = { TTYCODE_STRING, "dch" },
85: [TTYC_DIM] = { TTYCODE_STRING, "dim" },
1.57 nicm 86: [TTYC_DL1] = { TTYCODE_STRING, "dl1" },
1.38 nicm 87: [TTYC_DL] = { TTYCODE_STRING, "dl" },
1.81 nicm 88: [TTYC_DSEKS] = { TTYCODE_STRING, "Dseks" },
1.79 nicm 89: [TTYC_DSFCS] = { TTYCODE_STRING, "Dsfcs" },
1.78 nicm 90: [TTYC_DSBP] = { TTYCODE_STRING, "Dsbp" },
1.77 nicm 91: [TTYC_DSMG] = { TTYCODE_STRING, "Dsmg" },
1.38 nicm 92: [TTYC_E3] = { TTYCODE_STRING, "E3" },
93: [TTYC_ECH] = { TTYCODE_STRING, "ech" },
1.50 nicm 94: [TTYC_ED] = { TTYCODE_STRING, "ed" },
1.57 nicm 95: [TTYC_EL1] = { TTYCODE_STRING, "el1" },
1.38 nicm 96: [TTYC_EL] = { TTYCODE_STRING, "el" },
97: [TTYC_ENACS] = { TTYCODE_STRING, "enacs" },
1.78 nicm 98: [TTYC_ENBP] = { TTYCODE_STRING, "Enbp" },
1.81 nicm 99: [TTYC_ENEKS] = { TTYCODE_STRING, "Eneks" },
1.79 nicm 100: [TTYC_ENFCS] = { TTYCODE_STRING, "Enfcs" },
1.77 nicm 101: [TTYC_ENMG] = { TTYCODE_STRING, "Enmg" },
1.38 nicm 102: [TTYC_FSL] = { TTYCODE_STRING, "fsl" },
103: [TTYC_HOME] = { TTYCODE_STRING, "home" },
104: [TTYC_HPA] = { TTYCODE_STRING, "hpa" },
1.57 nicm 105: [TTYC_ICH1] = { TTYCODE_STRING, "ich1" },
1.38 nicm 106: [TTYC_ICH] = { TTYCODE_STRING, "ich" },
1.57 nicm 107: [TTYC_IL1] = { TTYCODE_STRING, "il1" },
1.38 nicm 108: [TTYC_IL] = { TTYCODE_STRING, "il" },
1.51 nicm 109: [TTYC_INDN] = { TTYCODE_STRING, "indn" },
1.38 nicm 110: [TTYC_INVIS] = { TTYCODE_STRING, "invis" },
111: [TTYC_KCBT] = { TTYCODE_STRING, "kcbt" },
112: [TTYC_KCUB1] = { TTYCODE_STRING, "kcub1" },
113: [TTYC_KCUD1] = { TTYCODE_STRING, "kcud1" },
114: [TTYC_KCUF1] = { TTYCODE_STRING, "kcuf1" },
115: [TTYC_KCUU1] = { TTYCODE_STRING, "kcuu1" },
116: [TTYC_KDC2] = { TTYCODE_STRING, "kDC" },
117: [TTYC_KDC3] = { TTYCODE_STRING, "kDC3" },
118: [TTYC_KDC4] = { TTYCODE_STRING, "kDC4" },
119: [TTYC_KDC5] = { TTYCODE_STRING, "kDC5" },
120: [TTYC_KDC6] = { TTYCODE_STRING, "kDC6" },
121: [TTYC_KDC7] = { TTYCODE_STRING, "kDC7" },
122: [TTYC_KDCH1] = { TTYCODE_STRING, "kdch1" },
1.57 nicm 123: [TTYC_KDN2] = { TTYCODE_STRING, "kDN" }, /* not kDN2 */
1.38 nicm 124: [TTYC_KDN3] = { TTYCODE_STRING, "kDN3" },
125: [TTYC_KDN4] = { TTYCODE_STRING, "kDN4" },
126: [TTYC_KDN5] = { TTYCODE_STRING, "kDN5" },
127: [TTYC_KDN6] = { TTYCODE_STRING, "kDN6" },
128: [TTYC_KDN7] = { TTYCODE_STRING, "kDN7" },
129: [TTYC_KEND2] = { TTYCODE_STRING, "kEND" },
130: [TTYC_KEND3] = { TTYCODE_STRING, "kEND3" },
131: [TTYC_KEND4] = { TTYCODE_STRING, "kEND4" },
132: [TTYC_KEND5] = { TTYCODE_STRING, "kEND5" },
133: [TTYC_KEND6] = { TTYCODE_STRING, "kEND6" },
134: [TTYC_KEND7] = { TTYCODE_STRING, "kEND7" },
1.57 nicm 135: [TTYC_KEND] = { TTYCODE_STRING, "kend" },
1.38 nicm 136: [TTYC_KF10] = { TTYCODE_STRING, "kf10" },
137: [TTYC_KF11] = { TTYCODE_STRING, "kf11" },
138: [TTYC_KF12] = { TTYCODE_STRING, "kf12" },
139: [TTYC_KF13] = { TTYCODE_STRING, "kf13" },
140: [TTYC_KF14] = { TTYCODE_STRING, "kf14" },
141: [TTYC_KF15] = { TTYCODE_STRING, "kf15" },
142: [TTYC_KF16] = { TTYCODE_STRING, "kf16" },
143: [TTYC_KF17] = { TTYCODE_STRING, "kf17" },
144: [TTYC_KF18] = { TTYCODE_STRING, "kf18" },
145: [TTYC_KF19] = { TTYCODE_STRING, "kf19" },
1.57 nicm 146: [TTYC_KF1] = { TTYCODE_STRING, "kf1" },
1.38 nicm 147: [TTYC_KF20] = { TTYCODE_STRING, "kf20" },
148: [TTYC_KF21] = { TTYCODE_STRING, "kf21" },
149: [TTYC_KF22] = { TTYCODE_STRING, "kf22" },
150: [TTYC_KF23] = { TTYCODE_STRING, "kf23" },
151: [TTYC_KF24] = { TTYCODE_STRING, "kf24" },
152: [TTYC_KF25] = { TTYCODE_STRING, "kf25" },
153: [TTYC_KF26] = { TTYCODE_STRING, "kf26" },
154: [TTYC_KF27] = { TTYCODE_STRING, "kf27" },
155: [TTYC_KF28] = { TTYCODE_STRING, "kf28" },
156: [TTYC_KF29] = { TTYCODE_STRING, "kf29" },
1.57 nicm 157: [TTYC_KF2] = { TTYCODE_STRING, "kf2" },
1.38 nicm 158: [TTYC_KF30] = { TTYCODE_STRING, "kf30" },
159: [TTYC_KF31] = { TTYCODE_STRING, "kf31" },
160: [TTYC_KF32] = { TTYCODE_STRING, "kf32" },
161: [TTYC_KF33] = { TTYCODE_STRING, "kf33" },
162: [TTYC_KF34] = { TTYCODE_STRING, "kf34" },
163: [TTYC_KF35] = { TTYCODE_STRING, "kf35" },
164: [TTYC_KF36] = { TTYCODE_STRING, "kf36" },
165: [TTYC_KF37] = { TTYCODE_STRING, "kf37" },
166: [TTYC_KF38] = { TTYCODE_STRING, "kf38" },
167: [TTYC_KF39] = { TTYCODE_STRING, "kf39" },
1.57 nicm 168: [TTYC_KF3] = { TTYCODE_STRING, "kf3" },
1.38 nicm 169: [TTYC_KF40] = { TTYCODE_STRING, "kf40" },
170: [TTYC_KF41] = { TTYCODE_STRING, "kf41" },
171: [TTYC_KF42] = { TTYCODE_STRING, "kf42" },
172: [TTYC_KF43] = { TTYCODE_STRING, "kf43" },
173: [TTYC_KF44] = { TTYCODE_STRING, "kf44" },
174: [TTYC_KF45] = { TTYCODE_STRING, "kf45" },
175: [TTYC_KF46] = { TTYCODE_STRING, "kf46" },
176: [TTYC_KF47] = { TTYCODE_STRING, "kf47" },
177: [TTYC_KF48] = { TTYCODE_STRING, "kf48" },
178: [TTYC_KF49] = { TTYCODE_STRING, "kf49" },
1.57 nicm 179: [TTYC_KF4] = { TTYCODE_STRING, "kf4" },
1.38 nicm 180: [TTYC_KF50] = { TTYCODE_STRING, "kf50" },
181: [TTYC_KF51] = { TTYCODE_STRING, "kf51" },
182: [TTYC_KF52] = { TTYCODE_STRING, "kf52" },
183: [TTYC_KF53] = { TTYCODE_STRING, "kf53" },
184: [TTYC_KF54] = { TTYCODE_STRING, "kf54" },
185: [TTYC_KF55] = { TTYCODE_STRING, "kf55" },
186: [TTYC_KF56] = { TTYCODE_STRING, "kf56" },
187: [TTYC_KF57] = { TTYCODE_STRING, "kf57" },
188: [TTYC_KF58] = { TTYCODE_STRING, "kf58" },
189: [TTYC_KF59] = { TTYCODE_STRING, "kf59" },
1.57 nicm 190: [TTYC_KF5] = { TTYCODE_STRING, "kf5" },
1.38 nicm 191: [TTYC_KF60] = { TTYCODE_STRING, "kf60" },
192: [TTYC_KF61] = { TTYCODE_STRING, "kf61" },
193: [TTYC_KF62] = { TTYCODE_STRING, "kf62" },
194: [TTYC_KF63] = { TTYCODE_STRING, "kf63" },
1.57 nicm 195: [TTYC_KF6] = { TTYCODE_STRING, "kf6" },
1.38 nicm 196: [TTYC_KF7] = { TTYCODE_STRING, "kf7" },
197: [TTYC_KF8] = { TTYCODE_STRING, "kf8" },
198: [TTYC_KF9] = { TTYCODE_STRING, "kf9" },
199: [TTYC_KHOM2] = { TTYCODE_STRING, "kHOM" },
200: [TTYC_KHOM3] = { TTYCODE_STRING, "kHOM3" },
201: [TTYC_KHOM4] = { TTYCODE_STRING, "kHOM4" },
202: [TTYC_KHOM5] = { TTYCODE_STRING, "kHOM5" },
203: [TTYC_KHOM6] = { TTYCODE_STRING, "kHOM6" },
204: [TTYC_KHOM7] = { TTYCODE_STRING, "kHOM7" },
205: [TTYC_KHOME] = { TTYCODE_STRING, "khome" },
206: [TTYC_KIC2] = { TTYCODE_STRING, "kIC" },
207: [TTYC_KIC3] = { TTYCODE_STRING, "kIC3" },
208: [TTYC_KIC4] = { TTYCODE_STRING, "kIC4" },
209: [TTYC_KIC5] = { TTYCODE_STRING, "kIC5" },
210: [TTYC_KIC6] = { TTYCODE_STRING, "kIC6" },
211: [TTYC_KIC7] = { TTYCODE_STRING, "kIC7" },
212: [TTYC_KICH1] = { TTYCODE_STRING, "kich1" },
1.57 nicm 213: [TTYC_KIND] = { TTYCODE_STRING, "kind" },
1.38 nicm 214: [TTYC_KLFT2] = { TTYCODE_STRING, "kLFT" },
215: [TTYC_KLFT3] = { TTYCODE_STRING, "kLFT3" },
216: [TTYC_KLFT4] = { TTYCODE_STRING, "kLFT4" },
217: [TTYC_KLFT5] = { TTYCODE_STRING, "kLFT5" },
218: [TTYC_KLFT6] = { TTYCODE_STRING, "kLFT6" },
219: [TTYC_KLFT7] = { TTYCODE_STRING, "kLFT7" },
220: [TTYC_KMOUS] = { TTYCODE_STRING, "kmous" },
221: [TTYC_KNP] = { TTYCODE_STRING, "knp" },
222: [TTYC_KNXT2] = { TTYCODE_STRING, "kNXT" },
223: [TTYC_KNXT3] = { TTYCODE_STRING, "kNXT3" },
224: [TTYC_KNXT4] = { TTYCODE_STRING, "kNXT4" },
225: [TTYC_KNXT5] = { TTYCODE_STRING, "kNXT5" },
226: [TTYC_KNXT6] = { TTYCODE_STRING, "kNXT6" },
227: [TTYC_KNXT7] = { TTYCODE_STRING, "kNXT7" },
228: [TTYC_KPP] = { TTYCODE_STRING, "kpp" },
229: [TTYC_KPRV2] = { TTYCODE_STRING, "kPRV" },
230: [TTYC_KPRV3] = { TTYCODE_STRING, "kPRV3" },
231: [TTYC_KPRV4] = { TTYCODE_STRING, "kPRV4" },
232: [TTYC_KPRV5] = { TTYCODE_STRING, "kPRV5" },
233: [TTYC_KPRV6] = { TTYCODE_STRING, "kPRV6" },
234: [TTYC_KPRV7] = { TTYCODE_STRING, "kPRV7" },
235: [TTYC_KRIT2] = { TTYCODE_STRING, "kRIT" },
236: [TTYC_KRIT3] = { TTYCODE_STRING, "kRIT3" },
237: [TTYC_KRIT4] = { TTYCODE_STRING, "kRIT4" },
238: [TTYC_KRIT5] = { TTYCODE_STRING, "kRIT5" },
239: [TTYC_KRIT6] = { TTYCODE_STRING, "kRIT6" },
240: [TTYC_KRIT7] = { TTYCODE_STRING, "kRIT7" },
1.57 nicm 241: [TTYC_KRI] = { TTYCODE_STRING, "kri" },
242: [TTYC_KUP2] = { TTYCODE_STRING, "kUP" }, /* not kUP2 */
1.38 nicm 243: [TTYC_KUP3] = { TTYCODE_STRING, "kUP3" },
244: [TTYC_KUP4] = { TTYCODE_STRING, "kUP4" },
245: [TTYC_KUP5] = { TTYCODE_STRING, "kUP5" },
246: [TTYC_KUP6] = { TTYCODE_STRING, "kUP6" },
247: [TTYC_KUP7] = { TTYCODE_STRING, "kUP7" },
248: [TTYC_MS] = { TTYCODE_STRING, "Ms" },
1.84 nicm 249: [TTYC_OL] = { TTYCODE_STRING, "ol" },
1.38 nicm 250: [TTYC_OP] = { TTYCODE_STRING, "op" },
1.89 nicm 251: [TTYC_RECT] = { TTYCODE_STRING, "Rect" },
1.38 nicm 252: [TTYC_REV] = { TTYCODE_STRING, "rev" },
1.58 nicm 253: [TTYC_RGB] = { TTYCODE_FLAG, "RGB" },
1.77 nicm 254: [TTYC_RIN] = { TTYCODE_STRING, "rin" },
1.38 nicm 255: [TTYC_RI] = { TTYCODE_STRING, "ri" },
256: [TTYC_RMACS] = { TTYCODE_STRING, "rmacs" },
257: [TTYC_RMCUP] = { TTYCODE_STRING, "rmcup" },
258: [TTYC_RMKX] = { TTYCODE_STRING, "rmkx" },
259: [TTYC_SETAB] = { TTYCODE_STRING, "setab" },
260: [TTYC_SETAF] = { TTYCODE_STRING, "setaf" },
1.84 nicm 261: [TTYC_SETAL] = { TTYCODE_STRING, "setal" },
1.55 nicm 262: [TTYC_SETRGBB] = { TTYCODE_STRING, "setrgbb" },
263: [TTYC_SETRGBF] = { TTYCODE_STRING, "setrgbf" },
1.66 nicm 264: [TTYC_SETULC] = { TTYCODE_STRING, "Setulc" },
1.57 nicm 265: [TTYC_SE] = { TTYCODE_STRING, "Se" },
1.38 nicm 266: [TTYC_SGR0] = { TTYCODE_STRING, "sgr0" },
267: [TTYC_SITM] = { TTYCODE_STRING, "sitm" },
268: [TTYC_SMACS] = { TTYCODE_STRING, "smacs" },
269: [TTYC_SMCUP] = { TTYCODE_STRING, "smcup" },
270: [TTYC_SMKX] = { TTYCODE_STRING, "smkx" },
1.64 nicm 271: [TTYC_SMOL] = { TTYCODE_STRING, "Smol" },
1.38 nicm 272: [TTYC_SMSO] = { TTYCODE_STRING, "smso" },
1.60 nicm 273: [TTYC_SMULX] = { TTYCODE_STRING, "Smulx" },
1.38 nicm 274: [TTYC_SMUL] = { TTYCODE_STRING, "smul" },
1.53 nicm 275: [TTYC_SMXX] = { TTYCODE_STRING, "smxx" },
1.38 nicm 276: [TTYC_SS] = { TTYCODE_STRING, "Ss" },
1.92 ! nicm 277: [TTYC_SWD] = { TTYCODE_STRING, "Swd" },
1.74 nicm 278: [TTYC_SYNC] = { TTYCODE_STRING, "Sync" },
1.45 nicm 279: [TTYC_TC] = { TTYCODE_FLAG, "Tc" },
1.38 nicm 280: [TTYC_TSL] = { TTYCODE_STRING, "tsl" },
1.57 nicm 281: [TTYC_U8] = { TTYCODE_NUMBER, "U8" },
1.38 nicm 282: [TTYC_VPA] = { TTYCODE_STRING, "vpa" },
1.77 nicm 283: [TTYC_XT] = { TTYCODE_FLAG, "XT" }
1.38 nicm 284: };
285:
286: u_int
287: tty_term_ncodes(void)
288: {
289: return (nitems(tty_term_codes));
290: }
291:
1.46 nicm 292: static char *
1.1 nicm 293: tty_term_strip(const char *s)
294: {
295: const char *ptr;
1.68 nicm 296: static char buf[8192];
1.1 nicm 297: size_t len;
298:
299: /* Ignore strings with no padding. */
300: if (strchr(s, '$') == NULL)
301: return (xstrdup(s));
302:
303: len = 0;
304: for (ptr = s; *ptr != '\0'; ptr++) {
305: if (*ptr == '$' && *(ptr + 1) == '<') {
306: while (*ptr != '\0' && *ptr != '>')
307: ptr++;
308: if (*ptr == '>')
309: ptr++;
1.83 nicm 310: if (*ptr == '\0')
311: break;
1.1 nicm 312: }
313:
314: buf[len++] = *ptr;
315: if (len == (sizeof buf) - 1)
316: break;
317: }
318: buf[len] = '\0';
319:
320: return (xstrdup(buf));
321: }
322:
1.60 nicm 323: static char *
324: tty_term_override_next(const char *s, size_t *offset)
325: {
1.68 nicm 326: static char value[8192];
1.60 nicm 327: size_t n = 0, at = *offset;
328:
329: if (s[at] == '\0')
330: return (NULL);
331:
332: while (s[at] != '\0') {
333: if (s[at] == ':') {
334: if (s[at + 1] == ':') {
335: value[n++] = ':';
336: at += 2;
337: } else
338: break;
339: } else {
340: value[n++] = s[at];
341: at++;
342: }
343: if (n == (sizeof value) - 1)
344: return (NULL);
345: }
346: if (s[at] != '\0')
347: *offset = at + 1;
348: else
349: *offset = at;
350: value[n] = '\0';
351: return (value);
352: }
353:
1.73 nicm 354: void
355: tty_term_apply(struct tty_term *term, const char *capabilities, int quiet)
1.1 nicm 356: {
1.19 nicm 357: const struct tty_term_code_entry *ent;
358: struct tty_code *code;
1.60 nicm 359: size_t offset = 0;
360: char *cp, *value, *s;
1.73 nicm 361: const char *errstr, *name = term->name;
1.19 nicm 362: u_int i;
1.49 nicm 363: int n, remove;
1.5 nicm 364:
1.73 nicm 365: while ((s = tty_term_override_next(capabilities, &offset)) != NULL) {
1.49 nicm 366: if (*s == '\0')
1.5 nicm 367: continue;
1.49 nicm 368: value = NULL;
369:
370: remove = 0;
371: if ((cp = strchr(s, '=')) != NULL) {
372: *cp++ = '\0';
373: value = xstrdup(cp);
374: if (strunvis(value, cp) == -1) {
375: free(value);
376: value = xstrdup(cp);
377: }
378: } else if (s[strlen(s) - 1] == '@') {
379: s[strlen(s) - 1] = '\0';
380: remove = 1;
381: } else
382: value = xstrdup("");
383:
1.73 nicm 384: if (!quiet) {
385: if (remove)
386: log_debug("%s override: %s@", name, s);
387: else if (*value == '\0')
388: log_debug("%s override: %s", name, s);
389: else
390: log_debug("%s override: %s=%s", name, s, value);
391: }
1.49 nicm 392:
393: for (i = 0; i < tty_term_ncodes(); i++) {
394: ent = &tty_term_codes[i];
395: if (strcmp(s, ent->name) != 0)
1.5 nicm 396: continue;
1.49 nicm 397: code = &term->codes[i];
1.5 nicm 398:
1.49 nicm 399: if (remove) {
400: code->type = TTYCODE_NONE;
401: continue;
402: }
403: switch (ent->type) {
404: case TTYCODE_NONE:
405: break;
406: case TTYCODE_STRING:
407: if (code->type == TTYCODE_STRING)
408: free(code->value.string);
409: code->value.string = xstrdup(value);
410: code->type = ent->type;
411: break;
412: case TTYCODE_NUMBER:
413: n = strtonum(value, 0, INT_MAX, &errstr);
414: if (errstr != NULL)
1.5 nicm 415: break;
1.49 nicm 416: code->value.number = n;
417: code->type = ent->type;
418: break;
419: case TTYCODE_FLAG:
420: code->value.flag = 1;
421: code->type = ent->type;
422: break;
1.5 nicm 423: }
1.49 nicm 424: }
1.5 nicm 425:
1.49 nicm 426: free(value);
1.1 nicm 427: }
428: }
429:
1.75 nicm 430: void
431: tty_term_apply_overrides(struct tty_term *term)
432: {
433: struct options_entry *o;
434: struct options_array_item *a;
435: union options_value *ov;
1.89 nicm 436: const char *s, *acs;
1.75 nicm 437: size_t offset;
438: char *first;
439:
1.89 nicm 440: /* Update capabilities from the option. */
1.75 nicm 441: o = options_get_only(global_options, "terminal-overrides");
442: a = options_array_first(o);
443: while (a != NULL) {
444: ov = options_array_item_value(a);
445: s = ov->string;
446:
447: offset = 0;
448: first = tty_term_override_next(s, &offset);
449: if (first != NULL && fnmatch(first, term->name, 0) == 0)
450: tty_term_apply(term, s + offset, 0);
451: a = options_array_next(a);
452: }
1.89 nicm 453:
454: /* Update the RGB flag if the terminal has RGB colours. */
455: if (tty_term_has(term, TTYC_SETRGBF) &&
456: tty_term_has(term, TTYC_SETRGBB))
457: term->flags |= TERM_RGBCOLOURS;
458: else
459: term->flags &= ~TERM_RGBCOLOURS;
460: log_debug("RGBCOLOURS flag is %d", !!(term->flags & TERM_RGBCOLOURS));
461:
462: /*
463: * Set or clear the DECSLRM flag if the terminal has the margin
464: * capabilities.
465: */
466: if (tty_term_has(term, TTYC_CMG) && tty_term_has(term, TTYC_CLMG))
467: term->flags |= TERM_DECSLRM;
468: else
469: term->flags &= ~TERM_DECSLRM;
470: log_debug("DECSLRM flag is %d", !!(term->flags & TERM_DECSLRM));
471:
472: /*
473: * Set or clear the DECFRA flag if the terminal has the rectangle
474: * capability.
475: */
476: if (tty_term_has(term, TTYC_RECT))
477: term->flags |= TERM_DECFRA;
478: else
479: term->flags &= ~TERM_DECFRA;
480: log_debug("DECFRA flag is %d", !!(term->flags & TERM_DECFRA));
481:
482: /*
483: * Terminals without am (auto right margin) wrap at at $COLUMNS - 1
484: * rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
485: *
486: * Terminals without xenl (eat newline glitch) ignore a newline beyond
487: * the right edge of the terminal, but tmux doesn't care about this -
488: * it always uses absolute only moves the cursor with a newline when
489: * also sending a linefeed.
490: *
491: * This is irritating, most notably because it is painful to write to
492: * the very bottom-right of the screen without scrolling.
493: *
494: * Flag the terminal here and apply some workarounds in other places to
495: * do the best possible.
496: */
497: if (!tty_term_flag(term, TTYC_AM))
498: term->flags |= TERM_NOAM;
499: else
500: term->flags &= ~TERM_NOAM;
501: log_debug("NOAM flag is %d", !!(term->flags & TERM_NOAM));
502:
503: /* Generate ACS table. If none is present, use nearest ASCII. */
504: memset(term->acs, 0, sizeof term->acs);
505: if (tty_term_has(term, TTYC_ACSC))
506: acs = tty_term_string(term, TTYC_ACSC);
507: else
508: acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
509: for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
510: term->acs[(u_char) acs[0]][0] = acs[1];
1.75 nicm 511: }
512:
1.1 nicm 513: struct tty_term *
1.87 nicm 514: tty_term_create(struct tty *tty, char *name, char **caps, u_int ncaps,
515: int *feat, char **cause)
1.1 nicm 516: {
1.19 nicm 517: struct tty_term *term;
518: const struct tty_term_code_entry *ent;
519: struct tty_code *code;
1.49 nicm 520: struct options_entry *o;
1.61 nicm 521: struct options_array_item *a;
1.62 nicm 522: union options_value *ov;
1.87 nicm 523: u_int i, j;
1.89 nicm 524: const char *s, *value;
1.87 nicm 525: size_t offset, namelen;
1.73 nicm 526: char *first;
1.1 nicm 527:
1.73 nicm 528: log_debug("adding term %s", name);
1.1 nicm 529:
1.73 nicm 530: term = xcalloc(1, sizeof *term);
531: term->tty = tty;
1.1 nicm 532: term->name = xstrdup(name);
1.47 nicm 533: term->codes = xcalloc(tty_term_ncodes(), sizeof *term->codes);
1.20 nicm 534: LIST_INSERT_HEAD(&tty_terms, term, entry);
1.1 nicm 535:
1.87 nicm 536: /* Fill in codes. */
537: for (i = 0; i < ncaps; i++) {
538: namelen = strcspn(caps[i], "=");
539: if (namelen == 0)
540: continue;
541: value = caps[i] + namelen + 1;
1.1 nicm 542:
1.87 nicm 543: for (j = 0; j < tty_term_ncodes(); j++) {
544: ent = &tty_term_codes[j];
545: if (strncmp(ent->name, caps[i], namelen) != 0)
546: continue;
547: if (ent->name[namelen] != '\0')
548: continue;
1.1 nicm 549:
1.87 nicm 550: code = &term->codes[j];
551: code->type = TTYCODE_NONE;
552: switch (ent->type) {
553: case TTYCODE_NONE:
554: break;
555: case TTYCODE_STRING:
556: code->type = TTYCODE_STRING;
557: code->value.string = tty_term_strip(value);
1.1 nicm 558: break;
1.87 nicm 559: case TTYCODE_NUMBER:
560: code->type = TTYCODE_NUMBER;
561: code->value.number = atoi(value);
1.1 nicm 562: break;
1.87 nicm 563: case TTYCODE_FLAG:
564: code->type = TTYCODE_FLAG;
565: code->value.flag = (*value == '1');
1.1 nicm 566: break;
1.87 nicm 567: }
1.1 nicm 568: }
569: }
1.33 nicm 570:
1.73 nicm 571: /* Apply terminal features. */
572: o = options_get_only(global_options, "terminal-features");
573: a = options_array_first(o);
574: while (a != NULL) {
575: ov = options_array_item_value(a);
576: s = ov->string;
577:
578: offset = 0;
579: first = tty_term_override_next(s, &offset);
580: if (first != NULL && fnmatch(first, term->name, 0) == 0)
581: tty_add_features(feat, s + offset, ":");
582: a = options_array_next(a);
583: }
1.1 nicm 584:
1.76 nicm 585: /* Apply overrides so any capabilities used for features are changed. */
586: tty_term_apply_overrides(term);
587:
1.1 nicm 588: /* These are always required. */
589: if (!tty_term_has(term, TTYC_CLEAR)) {
590: xasprintf(cause, "terminal does not support clear");
591: goto error;
592: }
593: if (!tty_term_has(term, TTYC_CUP)) {
594: xasprintf(cause, "terminal does not support cup");
595: goto error;
596: }
597:
1.80 nicm 598: /*
599: * If TERM has XT or clear starts with CSI then it is safe to assume
600: * the terminal is derived from the VT100. This controls whether device
601: * attributes requests are sent to get more information.
602: *
603: * This is a bit of a hack but there aren't that many alternatives.
604: * Worst case tmux will just fall back to using whatever terminfo(5)
605: * says without trying to correct anything that is missing.
606: *
607: * Also add few features that VT100-like terminals should either
608: * support or safely ignore.
609: */
610: s = tty_term_string(term, TTYC_CLEAR);
611: if (tty_term_flag(term, TTYC_XT) || strncmp(s, "\033[", 2) == 0) {
612: term->flags |= TERM_VT100LIKE;
613: tty_add_features(feat, "bpaste,focus,title", ",");
1.1 nicm 614: }
615:
1.73 nicm 616: /* Add RGB feature if terminal has RGB colours. */
617: if ((tty_term_flag(term, TTYC_TC) || tty_term_has(term, TTYC_RGB)) &&
618: (!tty_term_has(term, TTYC_SETRGBF) ||
619: !tty_term_has(term, TTYC_SETRGBB)))
1.78 nicm 620: tty_add_features(feat, "RGB", ",");
1.73 nicm 621:
1.76 nicm 622: /* Apply the features and overrides again. */
1.89 nicm 623: if (tty_apply_features(term, *feat))
624: tty_term_apply_overrides(term);
1.22 nicm 625:
1.71 nicm 626: /* Log the capabilities. */
1.56 nicm 627: for (i = 0; i < tty_term_ncodes(); i++)
628: log_debug("%s%s", name, tty_term_describe(term, i));
1.55 nicm 629:
1.1 nicm 630: return (term);
631:
632: error:
633: tty_term_free(term);
634: return (NULL);
635: }
636:
637: void
638: tty_term_free(struct tty_term *term)
639: {
640: u_int i;
641:
1.73 nicm 642: log_debug("removing term %s", term->name);
1.1 nicm 643:
1.38 nicm 644: for (i = 0; i < tty_term_ncodes(); i++) {
1.1 nicm 645: if (term->codes[i].type == TTYCODE_STRING)
1.29 nicm 646: free(term->codes[i].value.string);
1.1 nicm 647: }
1.38 nicm 648: free(term->codes);
649:
1.73 nicm 650: LIST_REMOVE(term, entry);
1.29 nicm 651: free(term->name);
652: free(term);
1.87 nicm 653: }
654:
655: int
656: tty_term_read_list(const char *name, int fd, char ***caps, u_int *ncaps,
657: char **cause)
658: {
659: const struct tty_term_code_entry *ent;
660: int error, n;
661: u_int i;
662: const char *s;
663: char tmp[11];
664:
1.91 nicm 665: if (setupterm((char *)name, fd, &error) != OK) {
1.87 nicm 666: switch (error) {
667: case 1:
668: xasprintf(cause, "can't use hardcopy terminal: %s",
669: name);
670: break;
671: case 0:
672: xasprintf(cause, "missing or unsuitable terminal: %s",
673: name);
674: break;
675: case -1:
676: xasprintf(cause, "can't find terminfo database");
677: break;
678: default:
679: xasprintf(cause, "unknown error");
680: break;
681: }
682: return (-1);
683: }
684:
685: *ncaps = 0;
686: *caps = NULL;
687:
688: for (i = 0; i < tty_term_ncodes(); i++) {
689: ent = &tty_term_codes[i];
690: switch (ent->type) {
691: case TTYCODE_NONE:
1.90 nicm 692: continue;
1.87 nicm 693: case TTYCODE_STRING:
694: s = tigetstr((char *)ent->name);
695: if (s == NULL || s == (char *)-1)
696: continue;
697: break;
698: case TTYCODE_NUMBER:
699: n = tigetnum((char *)ent->name);
700: if (n == -1 || n == -2)
701: continue;
702: xsnprintf(tmp, sizeof tmp, "%d", n);
703: s = tmp;
704: break;
705: case TTYCODE_FLAG:
706: n = tigetflag((char *) ent->name);
707: if (n == -1)
708: continue;
709: if (n)
710: s = "1";
711: else
712: s = "0";
713: break;
714: }
715: *caps = xreallocarray(*caps, (*ncaps) + 1, sizeof **caps);
716: xasprintf(&(*caps)[*ncaps], "%s=%s", ent->name, s);
717: (*ncaps)++;
718: }
719:
720: del_curterm(cur_term);
721: return (0);
722: }
723:
724: void
725: tty_term_free_list(char **caps, u_int ncaps)
726: {
727: u_int i;
728:
729: for (i = 0; i < ncaps; i++)
730: free(caps[i]);
731: free(caps);
1.1 nicm 732: }
733:
734: int
735: tty_term_has(struct tty_term *term, enum tty_code_code code)
736: {
737: return (term->codes[code].type != TTYCODE_NONE);
738: }
739:
740: const char *
741: tty_term_string(struct tty_term *term, enum tty_code_code code)
742: {
743: if (!tty_term_has(term, code))
744: return ("");
745: if (term->codes[code].type != TTYCODE_STRING)
1.42 nicm 746: fatalx("not a string: %d", code);
1.1 nicm 747: return (term->codes[code].value.string);
748: }
749:
750: const char *
751: tty_term_string1(struct tty_term *term, enum tty_code_code code, int a)
752: {
753: return (tparm((char *) tty_term_string(term, code), a));
754: }
755:
756: const char *
757: tty_term_string2(struct tty_term *term, enum tty_code_code code, int a, int b)
1.23 nicm 758: {
759: return (tparm((char *) tty_term_string(term, code), a, b));
1.55 nicm 760: }
761:
762: const char *
1.69 nicm 763: tty_term_string3(struct tty_term *term, enum tty_code_code code, int a, int b,
764: int c)
1.55 nicm 765: {
766: return (tparm((char *) tty_term_string(term, code), a, b, c));
1.24 nicm 767: }
768:
769: const char *
770: tty_term_ptr1(struct tty_term *term, enum tty_code_code code, const void *a)
771: {
772: return (tparm((char *) tty_term_string(term, code), a));
1.23 nicm 773: }
774:
775: const char *
1.34 nicm 776: tty_term_ptr2(struct tty_term *term, enum tty_code_code code, const void *a,
777: const void *b)
1.1 nicm 778: {
779: return (tparm((char *) tty_term_string(term, code), a, b));
780: }
781:
782: int
783: tty_term_number(struct tty_term *term, enum tty_code_code code)
784: {
785: if (!tty_term_has(term, code))
786: return (0);
787: if (term->codes[code].type != TTYCODE_NUMBER)
1.42 nicm 788: fatalx("not a number: %d", code);
1.1 nicm 789: return (term->codes[code].value.number);
790: }
791:
792: int
793: tty_term_flag(struct tty_term *term, enum tty_code_code code)
794: {
795: if (!tty_term_has(term, code))
796: return (0);
797: if (term->codes[code].type != TTYCODE_FLAG)
1.42 nicm 798: fatalx("not a flag: %d", code);
1.1 nicm 799: return (term->codes[code].value.flag);
1.38 nicm 800: }
801:
802: const char *
803: tty_term_describe(struct tty_term *term, enum tty_code_code code)
804: {
805: static char s[256];
806: char out[128];
807:
808: switch (term->codes[code].type) {
809: case TTYCODE_NONE:
810: xsnprintf(s, sizeof s, "%4u: %s: [missing]",
811: code, tty_term_codes[code].name);
812: break;
813: case TTYCODE_STRING:
814: strnvis(out, term->codes[code].value.string, sizeof out,
1.65 nicm 815: VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL);
1.38 nicm 816: xsnprintf(s, sizeof s, "%4u: %s: (string) %s",
817: code, tty_term_codes[code].name,
818: out);
819: break;
820: case TTYCODE_NUMBER:
821: xsnprintf(s, sizeof s, "%4u: %s: (number) %d",
822: code, tty_term_codes[code].name,
823: term->codes[code].value.number);
824: break;
825: case TTYCODE_FLAG:
826: xsnprintf(s, sizeof s, "%4u: %s: (flag) %s",
827: code, tty_term_codes[code].name,
828: term->codes[code].value.flag ? "true" : "false");
829: break;
830: }
831: return (s);
1.1 nicm 832: }
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